Gpu not working -- galcore

Hello

After Download and compile new kernel from:

*git clone -b toradex_4.14-2.0.x-imx git://git.toradex.com/linux-toradex.git

with Gcc 8.3, boot messages appear in my display but desktop fail :

Colibri-iMX6_LXDE-Image 2.8b6.184 20190401

colibri-imx6 login: [   83.274195] mxc_sdc_fb fb@0: 800x600 h_sync,r,l: 80,32,112  v_sync,l,u: 4,3,17 pixclock=38251000 Hz
[   83.320578] mxc_sdc_fb fb@0: 800x600 h_sync,r,l: 80,32,112  v_sync,l,u: 4,3,17 pixclock=38251000 Hz
[   83.361180] mxc_sdc_fb fb@0: 800x600 h_sync,r,l: 80,32,112  v_sync,l,u: 4,3,17 pixclock=38251000 Hz
[   83.400543] mxc_sdc_fb fb@0: 800x600 h_sync,r,l: 80,32,112  v_sync,l,u: 4,3,17 pixclock=38251000 Hz
[   83.440993] mxc_sdc_fb fb@0: 800x600 h_sync,r,l: 80,32,112  v_sync,l,u: 4,3,17 pixclock=38251000 Hz
[   83.481599] Unable to handle kernel paging request at virtual address 4a13fc34
[   83.488900] pgd = 85514000
[   83.491614] [4a13fc34] *pgd=00000000
[   83.495238] Internal error: Oops: 5 [#13] SMP ARM
[   83.499950] Modules linked in: bluetooth usb_f_rndis u_ether imx_sdma virt_dma libcomposite configfs galcore
[   83.509814] CPU: 0 PID: 926 Comm: X Tainted: G      D         4.14.159-MTA3+ #7
[   83.517126] Hardware name: Freescale i.MX6 Quad/DualLite (Device Tree)
[   83.523658] task: 856ccac0 task.stack: 857c4000
[   83.528276] PC is at gckDEVICE_Dispatch+0x38/0x124 [galcore]
[   83.533995] LR is at drv_ioctl+0x13c/0x1fc [galcore]
[   83.538965] pc : [<7f011d58>]    lr : [<7f00ad24>]    psr: 800d0013
[   83.545235] sp : 857c5d28  ip : 7ea988e0  fp : 857c5d34
[   83.550463] r10: 00000036  r9 : 0000000c  r8 : 00000051
[   83.555693] r7 : 857c5d38  r6 : 84f9c800  r5 : 8564ce40  r4 : 00000051
[   83.562223] r3 : 4a13fb90  r2 : 0000000b  r1 : 857c5d58  r0 : 84f07000
[   83.568756] Flags: Nzcv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment none
[   83.575894] Control: 10c5387d  Table: 15514059  DAC: 00000051
[   83.581645] Process X (pid: 926, stack limit = 0x857c4210)
[   83.587134] Stack: (0x857c5d28 to 0x857c6000)
[   83.591501] 5d20:                   857c5f0c 857c5d38 7f00ad24 7f011d2c 7ea98870 00000000
[   83.599688] 5d40: 00000190 00000000 7ea98870 00000000 00000190 00000000 00000028 7ea988e0
[   83.607876] 5d60: 00000144 76c2dcec 00000001 76f23a88 76c2e438 0d696914 00000001 00000002
[   83.616060] 5d80: 0164d578 7671a8e4 000002fc 7ea98908 00000001 76f2395c 00000001 7671d8a4
[   83.624245] 5da0: 000002fc 7671e764 0164d578 7ea9890c 7ea98908 004e2000 aaaaaaab bb797b34
[   83.632431] 5dc0: 7671e764 7671a8e4 05dbcbd9 7671d8a4 7671ec67 7ea98978 76f4afac 004e2000
[   83.640615] 5de0: aaaaaaab 00000000 016456fc 00000026 00000000 00000000 7ea98958 bb797b34
[   83.648799] 5e00: 00000000 0164d730 7ea98978 7671ec67 7ea989ec 7ea98980 7ea989d4 76f243f4
[   83.656983] 5e20: 7ea98980 76f4ba64 0000001e 00000000 00000001 00000000 00000001 0164d578
[   83.665167] 5e40: 00000000 76c277f4 00000030 00000038 0163a018 00000000 0164d730 0164d578
[   83.673351] 5e60: 037fd108 769f53d0 7671d8a4 0164d578 00000000 00000027 00000000 0000007c
[   83.681535] 5e80: 00000077 00000000 00000001 76c277f4 769f5590 00000028 00000004 76719000
[   83.689719] 5ea0: 000f3518 769f53d0 00000000 00000001 000f4240 767fb8e0 767fb8f0 76f29828
[   83.697903] 5ec0: 00000000 00000001 00000001 00000000 76827150 7671d8a4 016458a8 768270f4
[   83.706086] 5ee0: 00000000 7ea98a54 80d04178 7ea98820 84fa2350 0000000c 00007530 85510e40
[   83.714270] 5f00: 857c5f7c 857c5f10 80265a28 7f00abf4 84ce8900 84c97000 85510e40 84c97000
[   83.722454] 5f20: 00000020 85510e48 857c5f4c 857c5f38 8026229c 80249494 0000000c 85510e40
[   83.730638] 5f40: 857c5f94 857c5f50 802504cc 80262248 00000000 85510e40 85510e40 0000000c
[   83.738823] 5f60: 00007530 7ea98820 857c4000 00000036 857c5fa4 857c5f80 80266248 8026598c
[   83.747007] 5f80: 00002710 00007530 768270f4 00000036 80107f84 857c4000 00000000 857c5fa8
[   83.755192] 5fa0: 80107d80 80266218 00002710 00007530 0000000c 00007530 7ea98820 01650d70
[   83.763378] 5fc0: 00002710 00007530 768270f4 00000036 00000000 7ea98870 00000190 767fb8f0
[   83.771563] 5fe0: 76bb4670 7ea9880c 767f4e30 76bb467c 600d0010 0000000c 00000000 00000000
[   83.779740] Backtrace: 
[   83.782299] [<7f011d20>] (gckDEVICE_Dispatch [galcore]) from [<7f00ad24>] (drv_ioctl+0x13c/0x1fc [galcore])
[   83.792100] [<7f00abe8>] (drv_ioctl [galcore]) from [<80265a28>] (do_vfs_ioctl+0xa8/0x88c)
[   83.800376]  r8:85510e40 r7:00007530 r6:0000000c r5:84fa2350 r4:7ea98820
[   83.807088] [<80265980>] (do_vfs_ioctl) from [<80266248>] (SyS_ioctl+0x3c/0x68)
[   83.814404]  r10:00000036 r9:857c4000 r8:7ea98820 r7:00007530 r6:0000000c r5:85510e40
[   83.822236]  r4:85510e40
[   83.824784] [<8026620c>] (SyS_ioctl) from [<80107d80>] (ret_fast_syscall+0x0/0x54)
[   83.832363]  r9:857c4000 r8:80107f84 r7:00000036 r6:768270f4 r5:00007530 r4:00002710
[   83.840113] Code: e5913008 e3a0200b e0233c92 e0803103 (e593c0a4) 
[   83.846275] ---[ end trace bb215e227a62b783 ]---

How to solve this problem?

thanks

HI @Em1398

Thanks for writing to the Toradex Community!

Could you share your kernel .config?
How did you compile the kernel?

Best regards,
Jaski